Findings:

• Koos Custodiet (user)
• koos (user)
• cook koo (user)
• Itchy Koo Ichinohei
• Duk Koo Kim
• Koos Kombuis
• Woo Hoo!
• boo fuckity hoo
• Wan Hoo
• Hoo
• Sutton Hoo
• Hoody Hoo
• HaKadosh Baruch Hoo
• boo hoo
• Hoo boy
• Hoo (user)
• Hoo-ha

If you Log in you could create a "Hoo Koo E Koo" node. If you don't already have an account, you can register here.